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Kabushiki Kaisha Showa Seisakusho Patents
Assignee:
Kabushiki Kaisha Showa Seisakusho
Address:
Tokyo, JP
No. of patents:
24
Patents:












Patent Number Title Of Patent Date Issued
D302672 Shock absorber for motorcycle August 8, 1989
5387142 Power steering device for outboard engine February 7, 1995
A power steering device for steering an outboard engine on a small boat has a hydraulic cylinder unit for angularly moving a steering arm of the outboard engine, the hydraulic cylinder unit having a piston rod connected to the steering arm, and a directional control spool valve for suppl
5372528 Tilting and trimming mechanism for outboard engine December 13, 1994
Tilt and trim cylinders have blind-end chambers connected through a main valve to a first port of a reversible pump. The rod-end chamber of the tilt cylinder is connected through the main valve to a second port of the reversible pump. The rod-end chamber of the trim cylinder is connected
5350326 Hydraulic pressure generating device for power steering apparatus for outboard engine September 27, 1994
A power steering apparatus for steering an outboard engine on a boat has a hydraulic cylinder unit for angularly moving a steering arm of the outboard engine, and a hydraulic pump actuatable by a motor for supplying a hydraulic pressure to the hydraulic cylinder unit. The motor is co
5327936 Spool valve with self-centering mechanism July 12, 1994
A spool valve includes a spool assembly axially movably disposed in a cylindrical valve case. The spool assembly comprises a guide sleeve threaded in an end portion of the valve case and having an inner end positioned in the valve case and an outer end positioned outside of the valve
5311910 Cap attachment structure for accumulator May 17, 1994
A piston-type accumulator has a cylindrical outer case, a piston slidably fitted in the cylindrical outer case, and a cap mounted in an open end of the outer case. The piston-type accumulator includes a cap attachment structure in which said cap has two larger- and smaller-diameter steps
5207081 Vibration damper assembly May 4, 1993
A damper assembly is disposed between a washing machine frame and a washing container suspended in the frame and housing a rotatable drum as a source of vibration. The damper assembly includes a damper having a cylinder filled with working oil, a piston slidably disposed in the cylinder
5181696 Vehicle height adjusting device for attachment to a hydraulic shock absorber for vehicles January 26, 1993
A vehicle height adjusting device for attachment to a vehicle hydraulic shock absorber having a pump chamber used for delivering the fluid under pressure by the compression and extension strokes of the shock absorber. The device includes a hydraulic jack unit arranged in series with a
5156561 Trim and tilt mechanism for use with outboard engine October 20, 1992
A trim and tilt mechanism angularly moves an outboard engine assembly into a desired trimmed position and also into a tilted position above the surface of the water. The outboard engine assembly is detachably mounted on the stern of a boat through a transom bracket and a swivel bracket
5149285 Tilt/trim device for outboard engine September 22, 1992
A tilt/trim device for an outboard engine mounted on a transom of a marine vessel includes a stern bracket adapted to be fixedly mounted on the transom, a swivel bracket pivotally supported on the stern bracket, the outboard engine being adapted to be mounted on the swivel bracket, a
5104294 Hydraulic pump assembly with accumulator and oil reservoir April 14, 1992
A hydraulic pump composed of a pump and an accumulator combined therewith has an outer shell divided into an accumulator cylinder of metal and a tank of resin. The accumulator cylinder and said tank have thicker side portions, respectively, which define therein an outlet oil passage and
5098120 Shock absorber for use in a vehicle March 24, 1992
A shock absorber according to the present invention for use in a vehicle for cushioning a vibration generating between a vehicle body and an axle, in which a suspension spring is disposed between one member which may serve as a mass below the spring and the other member which may serve a
5032094 Tilt-trim system for outboard motors July 16, 1991
A tilt-trim system for tilting and trimming an outboard propulsion unit on a boat includes a unitary cylinder unit assembly including a tilt cylinder unit and a trim cylinder unit, a stern bracket adapted to be mounted on the transom of the boat, a swivel bracket for supporting the outbo
5009451 Shock absorber for use in a vehicle April 23, 1991
A shock absorber according to the present invention for use in a vehicle for cushioning a vibration generating between a vehicle body and an axle, in which a suspension spring is disposed between one member which may serve as a mass below the spring and the other member which may serve a
5005859 Motor vehicle suspension with rotary damper April 9, 1991
A suspension for supporting a wheel on a vehicle body includes a hollow shaft fixed to the vehicle body, an arm having one end coupled to the wheel and an opposite end pivotally supported on an outer peripheral surface of the hollow shaft, a rotary damper interposed between the hollow
4964625 Hydraulic damper with oil lock mechanism October 23, 1990
A hydraulic damper has an oil lock mechanism for preventing bottoming when the hydraulic damper is fully compressed. The hydraulic damper also includes an outer tube, an inner tube, a cylinder movable with the inner tube, a piston rod movable with the outer tube, a piston fixed to a dist
4826207 Compound suspension system May 2, 1989
For better handling and improved riding comfort of a vehicle, there is provided a compound suspension system comprising a plurality of hydraulic shock absorbers each having a front chamber and a back chamber defined in front of and behind a piston member, respectively, received in a cyli
4809828 One-way damping valve mechanism for hydraulic damper March 7, 1989
A one-way damping valve mechanism in a hydraulic damper having a first hydraulic chamber defined in a cylinder, and a piston rod having an inner end on which there is mounted a piston slidably fitted in the cylinder, divides the first hydraulic chamber into a second hydraulic chamber and
4709934 Vehicle leveling system December 1, 1987
A vehicle leveling system employing pneumatic leveling units has a valve unit and a control device therefor for supplying a gas pressure from a gas pressure generator unit to and discharging it from the pneumatic leveling units. The control device comprises switches and a pressure sensor
4700093 Corrosion-resistant motor casing October 13, 1987
A corrosion-resistant electric motor casing comprises a substantially cylindrical yoke and barrel, and a pair of brackets fixed to and closing the axially opposite ends of the yoke and barrel. The yoke and barrel comprises a first member substantially in the form of a hollow cylinder
4667941 Self-leveling damper for motorcycles May 26, 1987
A self-leveling damper for motorcycles including a cylinder filled with hydraulic oil. A piston is slidably fitted in the cylinder. A hollowed piston rod is fitted at the lower end in the piston and projected at the upper end from the cylinder. The piston rod has a first oil path com
4579199 Remote operation type damping force control mechanism for hydraulic damper April 1, 1986
A remote operation type damping force control mechanism for a hydraulic damper including a cylinder, a piston, and a hollow piston rod having therein an oil path interconnecting a pair of chambers separated from each other by the piston in the cylinder. The mechanism comprises an adjustm
4530489 Spring load adjusting device for cushioning equipment July 23, 1985
A spring load adjusting device for cushioning equipment including a pressure chamber which hydraulically controls a spring load of a coil spring.A hydraulic cylinder is hydraulically connected to the pressure chamber, a piston is slidably fitted in the cylinder, an adjust screw is provid
4515253 Damping force generating device for an oil damper May 7, 1985
A damping force generating device for an oil damper including a hydraulic cylinder, a sub-tank having in the interior thereof an oil chamber and a gas chamber, and a first oil passage which hydraulically connects the hydraulic cylinder to the oil chamber. The damping force generating dev

 
 
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